大约有 1,400 项符合查询结果（耗时：0.0131秒） [XML]
由12306.cn谈谈网站性能技术 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...机端浏览也是这个情形）。我查看了一下12306首页的需要下载的总文件大小大约在900KB左右，如果你访问过了，浏览器会帮你缓存很多，只需下载10K左右的文件。但是我们可以想像一个极端一点的案例，1百万用户同时访问，且都...
Do HttpClient and HttpClientHandler have to be disposed between requests?
...ful e.g. if you are on a mobile device that at any time may switch between wifi and 4G.
– Johan Franzén
Mar 26 '19 at 20:46
...
传感器组件 · App Inventor 2 中文网
...化。
启用
如果为真，则位置传感器将尝试从 GPS、WiFi 位置或设备上可用的其他方式读取位置信息。 此设置不控制位置信息是否实际可用。 必须在设备设置中启用或禁用设备定位。
拥有精度数据
如果为真，则设备可以...
CentOS+Nginx+PHP+MySQL详细配置(图解) - PHP - 清泛IT论坛，有思想、有深度
...须的，切记！
首先我们把PHP和PHP-FPM下载到同一目录下，此次用的为php-5.3.0.tar.bz2和php-5.3.0-fpm-0.5.12.diff.gz，下载到了同一目录下
#tar xvf php-5.3.0.tar.bz2
#gzip -cd php-5.3.0-fpm-0.5.12.diff.gz | patch -d php-5.3.0 -p1 ...
Should I use PATCH or PUT in my REST API?
... safe to retry, and when not. Let's say the client is somewhere with flaky wifi, and its user clicks on "deactivate", which triggers a DELETE: If that fails, the client can simply retry, until it gets a 404, 200 or anything else it can handle. But if it triggers a POST to deactivation it knows not t...
Using node.js as a simple web server
...... 0.0.0.0 will make it bind to ALL IPs of all your IP networked devices (WiFi, Cable, Bluetooth) which is a bad idea on any public network as you may potentially get hacked. It's not so bad if you just wanted to demo your app inside a safe fire walled network to show others or connect it to your ...
Linux下部署企业级邮件服务器(postfix + dovecot + extmail) - 开源 & Gith...
...Syv服务/etc/rc.d/init.d/postfix脚本
脚本朋友们可以从附件中下载
4、对postfix进行基本配置，测试启动发信
编辑/etc/postfix/main.cf
myhostname = mail.huatuo.com #指定运行postfix邮件系统的主机的主机名
myorigin = huatuo.com #指明发...
What is the difference between localStorage, sessionStorage, session and cookies?
...okie information can also be intercepted in transit, especially on an open wifi.
On the positive side cookies can have a degree of protection applied from security risks like Cross-Site Scripting (XSS)/Script injection by setting an HTTP only flag which means modern (supporting) browsers will preve...
App Inventor 2 SQLite 拓展：超流行兼容主流SQL语法的迷你本地数据库引擎 ...
...Lite 功能类似，但TaifunSQLite是收费的，美刀。
.aix 拓展下载：
cn.fun123.SQLite.aix
SQLite
SQLite 是 Android 内置的小型、快速、独立的 SQL（结构化查询语言）数据库引擎。
SQL 语句用于创建、选择、更新和删除一个...
vs2008编译boost详细步骤 - 开源 & Github - 清泛网 - 专注C/C++及内核技术
...
【二、Boost库的编译】
【Setp1 准备工作】：
（1）Boost 下载可以到官方网站下载：
http://www.boost.org/
（2）安装VS2008 IDE
【Setp2 编译Boost】
1.打开Visual Studio 2008 命令提示窗口
2.进入D:\05_Computer\04_3rdPatry\02Boost\boost_1_44_0\boost...